1-800-730-4649
LANGUAGES
CORPORATE WEBSITE
PV CONTRACTOR BLOG
You have no items in your shopping cart.
Input (DC)
| PV voltage range, MPPT | 41 V – 63 V |
| Max. input current | 56 A |
Output (AC)
| Nominal AC power | 4200 W at 77°F / 3400 W at 113°F |
| Max. output current | 140 A |
| Nominal AC voltage / range | 120 V (105 V – 132 V) |
| AC grid frequency / range | 60 Hz (54 Hz – 66 Hz) |
| Power factor (cos ?) | –1 to +1 |
| THD | < 3 % |
Efficiency
| Max. efficiency / Euro-Eta | 95% (typical) |
Protection devices
| DC reverse polarity protection | Yes |
| AC short-circuit protection | No |
| Ground fault monitoring | No |
| Grid monitoring | No |
| All-pole-sensitive residual current monitoring unit | No |
| Galvanicly parted | empty |
Dimensions / Weight
| Dimensions (W / H / D) in mm | 15" / 23" / 10") |
| Width (mm) | 15" |
| Height (mm) | 23" |
| Weight | 86 lbs |
General data
| Operating temperature range | 13 °F to 122 °F |
| Consumption: (standby) operation / night | 4 W |
| Installation: indoors (IP65 electronics) | No |
| Installation: outdoors (IP65 electronics) | No |
Features
| AC connection: connector | No |
| AC connection: Cage clamp | no |
| AC connection: screw | no |
| Graphic display | No |
| Interface Bluetooth | No |
| Interface RS485 | Yes |
| Ethernet | Wifi | No |
| Wireless | no |
| Warranty (years) | 5 Years |
| Certificates and approvals | UL Certified |
| Type Designation | SI 4248 US |
Easy installation, safe operation and an outstanding price-performance ratio make the Sunny Island 4248-US battery
inverter especially suitable for small and mid-sized stand-alone grids. Designed for countries with voltage systems compatible
with the U.S. standard, the Sunny Island 4248-US guarantees a reliable and high-quality power supply. Due to its
outstanding overload capabilities, and that it is designed to withstand high ambient temperatures, this inverter can be used
under extreme weather conditions.
